271 questions
def LinearSearch(N,a):n = len(N)for i in range(n): if N[i] == a: return True else: return FalseN = [13, 16, 23, 45, 54, 58, 76, 91]a = 76an=LinearSearch(N,a)print(ans)The result is false for some re...
What is the standard for the transition between UIViewControllers in swift4xcode10?When I looked into it, I found that many of them connected segue from the xcode storyboard GUI... and that it was dif...
I would like to make something like a favorite button (heart-shaped button) for iPhone camera roll.The photos I took are placed in the collection view, and when I tap on one of them, the screen transi...
From now on, I would like to develop iOS applications with Swift, but I would also like to utilize the source code of Objective-C that I have created so far.How do I configure the Objective-C source c...
I'd like to download the dSYM of the released app.Download dSYM is not displayed and cannot be downloaded.The settings on the Xcode are as follows.Debug Information Format->Release only DWARF with ...
Is it okay to put endless data into UserDefaults?I'm not sure if I should switch to Sqlite or Realm.It would be better to centralize the database, but it would be troublesome if it were an existing ap...
The NSCalendar.Unit dateToString Method Is Like This code that you answered the other day shows the day of the week in the initial value of the text (GTM+9).After further modification, I ran code like...
Whenever cellForItemAtIndexPath is called in the CollectionView cell, I want to have a different identifier every time, but I don't know how to do it.Or is it not possible?For example, on the first sc...
I'm a beginner practicing database operations at realm.Implementation of tag functionality, database designI was able to run the database using this answer.Therefore, I would like to display a list of...
I'd like to write a code that says the number increases with time.As shown in the code below, we can increase the number every second, but You cannot increase a decimal number, such as every 0.25 seco...
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